1369943 has 2 divisors, whose sum is σ = 1369944. Its totient is φ = 1369942.

The previous prime is 1369897. The next prime is 1369961. The reversal of 1369943 is 3499631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1369943 - 2²⁰ = 321367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1369243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684971 + 684972.

It is an arithmetic number, because the mean of its divisors is an integer number (684972).

2^1369943 is an apocalyptic number.

1369943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1369943 is an equidigital number, since it uses as much as digits as its factorization.

1369943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 35.

The square root of 1369943 is about 1170.4456416254. The cubic root of 1369943 is about 111.0625138219.

The spelling of 1369943 in words is "one million, three hundred sixty-nine thousand, nine hundred forty-three".